1
by Abhyankar, Shreeram Shankar
Published 1964
Academic Press

2
Published 2005
North-Holland

3
by Dillen, Franki
Elsevier

4
by Cheeger, Jeff
Published 1975
North-Holland Publishing Co

5
by Helgason, Sigurður
Published 1972
Academic Press

6
by Baer, Reinhold
Published 1952
Academic Press

7
by Busemann, Herbert Kelly, Paul Joseph
Published 1953
Academic Press

8
by Abhyankar, Shreeram Shankar
Published 1966
Academic Press